<?php
/**
 * insert-processor.php
 *
 * This file implements the processor for the INSERT statements.
 *
 * Copyright (c) 2010-2012, Justin Swanhart
 * with contributions by André Rothe <arothe@phosco.info, phosco@gmx.de>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
if (!defined('HAVE_INSERT_PROCESSOR')) {

    require_once(dirname(__FILE__) . '/abstract-processor.php');
    require_once(dirname(__FILE__) . '/column-list-processor.php');
    require_once(dirname(__FILE__) . '/../expression-types.php');

    /**
     * 
     * This class processes the INSERT statements.
     * 
     * @author arothe
     * 
     */
    class InsertProcessor extends AbstractProcessor {

        public function process($tokenList, $token_category = 'INSERT') {
            $table = "";
            $cols = array();

            $into = $tokenList['INTO'];
            foreach ($into as $token) {
                if ($this->isWhitespaceToken($token))
                    continue;
                if ($table === "") {
                    $table = $token;
                } elseif (empty($cols)) {
                    $cols[] = $token;
                }
            }

            if (empty($cols)) {
                $cols = false;
            } else {
                $processor  = new ColumnListProcessor();
                $cols = $processor->process($this->removeParenthesisFromStart($cols[0]));
            }

            unset($tokenList['INTO']);
            $tokenList[$token_category][0] = array('table' => $table, 'columns' => $cols, 'base_expr' => $table,
                                                   'no_quotes' => $this->revokeQuotation($table));
            return $tokenList;
        }

    }
    define('HAVE_INSERT_PROCESSOR', 1);
}

